English verb conjugation
OUGHT TO DELVE

Regular verb: delve - delved - delved

Affirmation

Simple form	V-ing form
I ought to delve you ought to delve he ought to delve we ought to delve you ought to delve they ought to delve	I ought to be delving you ought to be delving he ought to be delving we ought to be delving you ought to be delving they ought to be delving
Perfect	V-ing perfect
I ought to have delved you ought to have delved he ought to have delved we ought to have delved you ought to have delved they ought to have delved	I ought to have been delving you ought to have been delving he ought to have been delving we ought to have been delving you ought to have been delving they ought to have been delving

Negation

Simple form	V-ing form
I oughtn't to delve you oughtn't to delve he oughtn't to delve we oughtn't to delve you oughtn't to delve they oughtn't to delve	I oughtn't to be delving you oughtn't to be delving he oughtn't to be delving we oughtn't to be delving you oughtn't to be delving they oughtn't to be delving
Perfect	V-ing perfect
I oughtn't to have delved you oughtn't to have delved he oughtn't to have delved we oughtn't to have delved you oughtn't to have delved they oughtn't to have delved	I oughtn't to have been delving you oughtn't to have been delving he oughtn't to have been delving we oughtn't to have been delving you oughtn't to have been delving they oughtn't to have been delving

Interrogative form

Simple form	V-ing form
ought to I delve? ought to you delve? ought to he delve? ought to we delve? ought to you delve? ought to they delve?	ought to I be delving? ought to you be delving? ought to he be delving? ought to we be delving? ought to you be delving? ought to they be delving?
Perfect	V-ing perfect
ought to I have delved? ought to you have delved? ought to he have delved? ought to we have delved? ought to you have delved? ought to they have delved?	ought to I have been delving? ought to you have been delving? ought to he have been delving? ought to we have been delving? ought to you have been delving? ought to they have been delving?

Interro-negative form

Simple form	V-ing form
oughtn't I to delve? oughtn't you to delve? oughtn't he to delve? oughtn't we to delve? oughtn't you to delve? oughtn't they to delve?	oughtn't I to be delving? oughtn't you to be delving? oughtn't he to be delving? oughtn't we to be delving? oughtn't you to be delving? oughtn't they to be delving?
Perfect	V-ing perfect
oughtn't I to have delved? oughtn't you to have delved? oughtn't he to have delved? oughtn't we to have delved? oughtn't you to have delved? oughtn't they to have delved?	oughtn't I to have been delving? oughtn't you to have been delving? oughtn't he to have been delving? oughtn't we to have been delving? oughtn't you to have been delving? oughtn't they to have been delving?